Include wishlist count in stats page

lib/music_library/wishlist.ex

@@ -26,6 +26,14 @@ defmodule MusicLibrary.Wishlist do
     Repo.aggregate(search, :count)
   end
 
+  def count do
+    q =
+      from r in Record,
+        where: is_nil(r.purchased_at)
+
+    Repo.aggregate(q, :count)
+  end
+
   defp build_search(query) do
     {:ok, parsed_query} = SearchParser.parse(query)
 

lib/music_library_web/controllers/stats_controller.ex

@@ -1,7 +1,7 @@
 defmodule MusicLibraryWeb.StatsController do
   use MusicLibraryWeb, :controller
 
-  alias MusicLibrary.Records
+  alias MusicLibrary.{Records, Wishlist}
 
   def index(conn, _params) do
     collection_count_by_format =
@@ -15,6 +15,8 @@ defmodule MusicLibraryWeb.StatsController do
     collection_count =
       Enum.reduce(collection_count_by_format, 0, fn {_, count}, acc -> acc + count end)
 
+    wishlist_count = Wishlist.count()
+
     latest_record = Records.get_latest_record!()
 
     conn
@@ -23,6 +25,7 @@ defmodule MusicLibraryWeb.StatsController do
       collection_count_by_format: collection_count_by_format,
       collection_count_by_type: collection_count_by_type,
       collection_count: collection_count,
+      wishlist_count: wishlist_count,
       latest_record: latest_record,
       nav_section: :stats
     )

lib/music_library_web/controllers/stats_html/index.html.heex

@@ -1,7 +1,7 @@
 <div>
-  <dl class="mt-5 grid grid-cols-1 gap-5 sm:grid-cols-3">
+  <dl class="mt-5 grid grid-cols-2 gap-5 sm:grid-cols-5">
     <div
-      class="relative overflow-hidden rounded-lg bg-white px-4 pb-3 pt-5 shadow sm:px-6 sm:pt-6 sm:col-span-2 cursor-pointer"
+      class="relative overflow-hidden rounded-lg bg-white px-4 pb-3 pt-5 shadow sm:px-6 sm:pt-6 col-span-2 sm:col-span-3 cursor-pointer"
       phx-click={JS.navigate(~p"/records/#{@latest_record}")}
     >
       <dt>
@@ -41,6 +41,18 @@
         </a>
       </dd>
     </div>
+    <div class="overflow-hidden rounded-lg bg-white px-4 pb-3 pt-5 shadow sm:px-6 sm:pt-6">
+      <dt>
+        <p class="truncate text-sm font-medium text-gray-500">
+          <%= gettext("Total wishlist") %>
+        </p>
+      </dt>
+      <dd class="flex items-baseline pb-6 sm:pb-7">
+        <a href={~p"/wishlist"} class="text-2xl font-semibold text-gray-900 hover:text-gray-500">
+          <%= @wishlist_count %>
+        </a>
+      </dd>
+    </div>
   </dl>
 </div>
 

priv/gettext/default.pot

@@ -84,7 +84,7 @@ msgid "Logout"
 msgstr ""
 
 #: lib/music_library_web/components/layouts/app.html.heex:7
-#: lib/music_library_web/controllers/stats_controller.ex:21
+#: lib/music_library_web/controllers/stats_controller.ex:23
 #, elixir-autogen, elixir-format
 msgid "Stats"
 msgstr ""
@@ -324,3 +324,8 @@ msgstr ""
 #, elixir-autogen, elixir-format
 msgid "Total collection"
 msgstr ""
+
+#: lib/music_library_web/controllers/stats_html/index.html.heex:47
+#, elixir-autogen, elixir-format
+msgid "Total wishlist"
+msgstr ""

test/music_library_web/controllers/stats_controller_test.exs

@@ -5,9 +5,14 @@ defmodule MusicLibraryWeb.StatsControllerTest do
 
   import MusicLibrary.RecordsFixtures
 
-  defp create_records(_) do
-    records = Enum.map(1..30, fn _ -> record_fixture() end)
-    %{records: records}
+  defp fill_collection(_) do
+    records = Enum.map(1..5, fn _ -> record_fixture() end)
+    %{collection: records}
+  end
+
+  defp fill_wishlist(_) do
+    records = Enum.map(1..30, fn _ -> record_fixture(%{purchased_at: nil}) end)
+    %{wishlist: records}
   end
 
   defp escape(string) do
@@ -17,23 +22,26 @@ defmodule MusicLibraryWeb.StatsControllerTest do
   end
 
   describe "GET /" do
-    setup [:create_records]
+    setup [:fill_collection, :fill_wishlist]
 
-    test "it shows the record counts (total, format, and type)", %{conn: conn, records: records} do
+    test "it shows the collection counts (total, format, and type)", %{
+      conn: conn,
+      collection: collection
+    } do
       conn = get(conn, "/")
 
       response = html_response(conn, 200)
 
-      assert response =~ records |> length() |> Integer.to_string()
+      assert response =~ collection |> length() |> Integer.to_string()
 
-      records
+      collection
       |> Enum.frequencies_by(& &1.format)
       |> Enum.each(fn {format, count} ->
         assert response =~ "\n#{count}\n"
         assert response =~ "\n#{Record.format_long_label(format)}\n"
       end)
 
-      records
+      collection
       |> Enum.frequencies_by(& &1.type)
       |> Enum.each(fn {type, count} ->
         assert response =~ "\n#{count}\n"
@@ -41,8 +49,8 @@ defmodule MusicLibraryWeb.StatsControllerTest do
       end)
     end
 
-    test "it shows the latest record", %{conn: conn, records: records} do
-      latest_record = Enum.max_by(records, & &1.purchased_at)
+    test "it shows the latest purchase", %{conn: conn, collection: collection} do
+      latest_record = Enum.max_by(collection, & &1.purchased_at)
 
       conn = get(conn, "/")
 
@@ -52,5 +60,13 @@ defmodule MusicLibraryWeb.StatsControllerTest do
         assert html_response(conn, 200) =~ escape(artist.name)
       end
     end
+
+    test "it shows the wishlist total count", %{conn: conn, wishlist: wishlist} do
+      conn = get(conn, "/")
+
+      response = html_response(conn, 200)
+
+      assert response =~ wishlist |> length() |> Integer.to_string()
+    end
   end
 end